package com.zsr.config;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Author zsr
 * @Desc
 * @Date 2021/5/12 20:25
 */
public class LoginHandlerInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        Object loginUser = request.getSession().getAttribute("loginUser");

        if(loginUser==null){//没有登录
            request.setAttribute("msg","没有权限，清先登录");
            request.getRequestDispatcher("/index.html").forward(request,response);
            return false;
        }

        return true;
    }


}
